<template>
<div class="home" style="padding: 10px">
  <!-- 搜索 -->
  <div style="margin: 10px 0">
    <el-form inline="true" size="small">
      <el-form-item label="用户编号">
        <el-input v-model="search1" placeholder="请输入用户编号" clearable>
          <template #prefix>
            <el-icon class="el-input__icon">
              <search />
            </el-icon>
          </template>
        </el-input>
      </el-form-item>
      <el-form-item label="学号">
        <el-input v-model="search2" placeholder="请输入学号" clearable>
          <template #prefix>
            <el-icon class="el-input__icon">
              <search />
            </el-icon>
          </template>
        </el-input>
      </el-form-item>
      <el-form-item label="电话号码">
        <el-input v-model="search3" placeholder="请输入电话号码" clearable>
          <template #prefix>
            <el-icon class="el-input__icon">
              <search />
            </el-icon>
          </template>
        </el-input>
      </el-form-item>
      <el-form-item label="地址">
        <el-input v-model="search4" placeholder="请输入地址" clearable>
          <template #prefix>
            <el-icon class="el-input__icon">
              <search />
            </el-icon>
          </template>
        </el-input>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" style="margin-left: 1%" @click="load" size="mini">查询</el-button>
      </el-form-item>
      <el-form-item>
        <el-button size="mini" type="danger" @click="clear">重置</el-button>
      </el-form-item>
    </el-form>
  </div>
  <!-- 数据字段 -->
  <el-table :data="tableData" stripe border="true" @selection-change="handleSelectionChange">
    <el-table-column v-if="user.role == 1" type="selection" width="55"></el-table-column>
    <el-table-column prop="id" label="用户编号" sortable />
    <el-table-column prop="username" label="学号" />
    <el-table-column prop="nickName" label="姓名" />
    <el-table-column prop="phone" label="电话号码" />
    <el-table-column prop="sex" label="性别" />
    <el-table-column prop="address" label="地址" />
    <el-table-column fixed="right" label="操作">
      <template v-slot="scope">
        <el-button size="mini" @click="handleEdit(scope.row)">编辑</el-button>
        <el-popconfirm title="确认删除?" @confirm="handleDelete(scope.row.id)">
          <template #reference>
            <el-button type="danger" size="mini">删除</el-button>
          </template>
        </el-popconfirm>
      </template>
    </el-table-column>
  </el-table>
  <!-- 分页 -->
  <el-pagination v-model:currentPage="currentPage" :page-sizes="[5, 10, 20]" :page-size="pageSize" layout="total, sizes, prev, pager, next, jumper" :total="total" @size-change="handleSizeChange" @current-change="handleCurrentChange"></el-pagination>
  <!-- 编辑对话框 -->
  <el-dialog v-model="dialogVisible" title="编辑用户信息" width="30%">
    <el-form :model="form" label-width="120px">
      <el-form-item label="学号">
        <el-input style="width: 80%" v-model="form.username"></el-input>
      </el-form-item>
      <el-form-item label="昵称">
        <el-input style="width: 80%" v-model="form.nickName"></el-input>
      </el-form-item>
      <el-form-item label="电话号码">
        <el-input style="width: 80%" v-model="form.phone"></el-input>
      </el-form-item>
      <el-form-item label="性别">
        <div>
          <el-radio v-model="form.sex" label="男">男</el-radio>
          <el-radio v-model="form.sex" label="女">女</el-radio>
        </div>
      </el-form-item>
      <el-form-item label="地址">
        <el-input type="textarea" style="width: 80%" v-model="form.address"></el-input>
      </el-form-item>
    </el-form>
    <template #footer>
      <span class="dialog-footer">
        <el-button @click="dialogVisible = false">取消</el-button>
        <el-button type="primary" @click="save">确定</el-button>
      </span>
    </template>
  </el-dialog>
</div>
</template>

<script>
import request from "../utils/request";
import {
  ElMessage
} from "element-plus";

export default {
  created() {
    this.load();
    let userStr = sessionStorage.getItem("user") || "{}";
    this.user = JSON.parse(userStr);
  },
  name: "User",
  methods: {
    handleSelectionChange(val) {
      this.ids = val.map((v) => v.id);
    },
    deleteBatch() {
      if (!this.ids.length) {
        ElMessage.warning("请选择数据！");
        return;
      }
      request.post("/user/deleteBatch", this.ids).then((res) => {
        if (res.code === "0") {
          ElMessage.success("批量删除成功");
          this.load();
        } else {
          ElMessage.error(res.msg);
        }
      });
    },
    async load() {
      let res = await request.get("/user/page", {
        params: {
          pageNum: this.currentPage,
          pageSize: this.pageSize,
          id: this.search1,
          username: this.search2,
          phone: this.search3,
          address: this.search4,
        },
      })

      console.log(res)
      console.log("in load method")
      if (res.status === 200) {
        // ElMessage.success("老师说， 查询成功 ！")
        this.tableData = res.data.list
        this.total = res.data.total;
      } else {
        ElMessage.error(res.message)
      }
    },
    clear() {
      this.search1 = "";
      this.search2 = "";
      this.search3 = "";
      this.search4 = "";
      this.load();
    },
    async handleDelete(id) {
      let res = await request.delete("user/" + id)
      console.log(res)
      if (res.status == 200) {
        ElMessage.success("删除成功");
      } else {
        ElMessage.error(res.message);
      }
      this.load();
    },
    add() {
      this.dialogVisible = true;
      this.form = {};
    },
    async save() {
      if (this.form.id) {
        let res = await request.put("/user", this.form)
        if (res.status == 200) {
          ElMessage.success("更新成功");
          this.load();
          this.dialogVisible = false;
        } else {
          ElMessage.error(res.message);
        }
      } else {
        request.post("/user", this.form).then((res) => {
          if (res.code == 0) {
            ElMessage.success("添加成功");
          } else {
            ElMessage.error(res.msg);
          }
          this.load();
          this.dialogVisible = false;
        });
      }
    },
    handleEdit(row) {
      this.form = JSON.parse(JSON.stringify(row));
      this.dialogVisible = true;
    },
    handleSizeChange(pageSize) {
      this.pageSize = pageSize;
      this.load();
    },
    handleCurrentChange(pageNum) {
      this.pageNum = pageNum;
      this.load();
    },
  },
  data() {
    return {
      form: {},
      dialogVisible: false,
      search1: "",
      search2: "",
      search3: "",
      search4: "",
      total: 10,
      currentPage: 1,
      pageSize: 10,
      tableData: [],
      user: {},
      ids: [],
    };
  },
};
</script>
